[Ash] Remove HoverHighlightView::hover()

ash/common/system/chromeos/network/network_state_list_detailed_view.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/common/system/chromeos/network/network_state_list_detailed_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "ash/common/ash_constants.h"
@@ skipping 489 matching lines @@
     SetupConnectingItemMd(container, info.label, info.image);
   else
     container->AddIconAndLabel(info.image, info.label, info.highlight);
   container->set_tooltip(info.tooltip);
   views::View* controlled_icon = CreateControlledByExtensionView(info);
   if (controlled_icon)
     container->AddChildView(controlled_icon);
   return container;
 }
 
-bool NetworkStateListDetailedView::IsViewHovered(views::View* view) {
-  return static_cast<HoverHighlightView*>(view)->hover();
-}
-
 NetworkTypePattern NetworkStateListDetailedView::GetNetworkTypePattern() const {
   return list_type_ == LIST_TYPE_VPN ? NetworkTypePattern::VPN()
                                      : NetworkTypePattern::NonVirtual();
 }
 
 void NetworkStateListDetailedView::UpdateViewForNetwork(
     views::View* view,
     const NetworkInfo& info) {
   HoverHighlightView* container = static_cast<HoverHighlightView*>(view);
   DCHECK(!container->has_children());
@@ skipping 28 matching lines @@
       UMA_STATUS_AREA_NETWORK_JOIN_OTHER_CLICKED);
   Shell::Get()->system_tray_controller()->ShowNetworkCreate(shill::kTypeWifi);
 }
 
 void NetworkStateListDetailedView::RelayoutScrollList() {
   scroller()->Layout();
 }
 
 }  // namespace tray
 }  // namespace ash